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To be used when installing a The GSV solenoid valve.


Compression fittings are designed to mechanically form a joint between the fitting and the pipe. When tightening the nut, you are compressing the olive onto the tube, creating a permanent seal. Flowflex compression fittings are manufactured in the UK to the BS EN 1254-2:1998 Standard.


• WRAS Approved

• Suitable for use on both gas and water

• Suitable for Domestic and Commercial Heating and Plumbing Applications

• 25 Year Warranty




  • 15mm (½")
  • 20mm (3/4") 
  • 25mm (1")
  • 32mm (1¼")
  • 40mm (1½")
  • 50mm (2")

Compression Adaptors

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